The antibody molecule is held together by bonds.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

How does secondary succession differ from primary succession?